Non-similar solution for unsteady water boundary layer flows over a sphere with non-uniform mass transfer

被引：4
|
作者：
Revathi, G. [1 ]
Saikrishnan, P. [1 ]
Chamkha, A. [2 ]
机构：
[1] Natl Inst Technol, Dept Math, Tiruchirappalli, Tamil Nadu, India
[2] Publ Author Appl Educ & Training, Dept Mfg Engn, Shuweikh, Kuwait
来源：
INTERNATIONAL JOURNAL OF NUMERICAL METHODS FOR HEAT & FLUID FLOW | 2013年 / 23卷 / 06期
关键词：
Unsteady flow; Sphere; Boundary layer; Variable properties; Non-similar solution; Forced convection flow; Heat and mass transfer; Control surfaces; Flow; Heat transfer; VARIABLE VISCOSITY; SLOT INJECTION; HEAT-TRANSFER; LAMINAR; CYLINDER;
D O I：
10.1108/HFF-10-2011-0197
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Purpose - The purpose of this paper is to make an analysis to study the non-similar solution for unsteady water boundary layer flow over sphere with the influence of temperature-dependent viscosity, Prandtl number, non-uniform surface mass transfer and heat transfer. Design/methodology/approach - The governing quasi-linear partial differential equations have been solved numerically using an implicit finite difference scheme along with a quasi-linearization technique. Non-similar solutions have been obtained from the starting point of the stream-wise coordinate to the point where the skin friction value vanishes. Findings - It is observed that non-uniform suction causes the point of vanishing skin friction to move downstream. The slot injection causes the vanishing skin friction to move upstream. Originality/value - The effect of unsteadiness is more significant on the skin friction as compared to the heat transfer.
引用
收藏
页码：1104 / 1116
页数：13
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